Scale factor is 4
20/5=4
5*4=20
Point is the least number of dimensions
Im sure :)
The answer to the question would be 455
Step-by-step explanation:

Answer:
The area of the polygon is 
Step-by-step explanation:
Sketch the polygon to obtain the figure in the attachment.
The polygon can then be divided into a rectangle and a triangle.
The area of the polygon

We use the absolute value method to find the lengths



